Use `dnf group install` instead of dnf groupinstall & fix CI failures #101

Job	Run time
Cargo Fmt	9s
Cargo Clippy	1m 49s
[ Fedora 38 ] - Cargo Test (rust stable)	2m 26s
[ Fedora 39 ] - Cargo Test (rust stable)	1m 12s
[ Fedora rawhide ] - Cargo Test (rust stable)	58s
[ Fedora 38 ] - Cargo Test & Coverage (rust nightly)	1m 34s
[ Fedora 39 ] - Cargo Test (rust nightly)	2m 52s
[ Fedora rawhide ] - Cargo Test (rust nightly)	3m 50s
	14m 50s

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